Digital Oscilloscopes 700939

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	900 MHz FET probe 700939

The 700939 FET is an active probe with a frequency bandwidth of 900 MHz and attenuation ratio of 10 : 1.

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Item	Specifications
Frequency bandwidth	DC-900 MHz for probe ¹
Attenuation ratio	10 : 1 ±2% when connected to a resistance of 50 ohm ±1% ¹
Output offset voltage	±2 mV (±20 mV when converted into input terminal) ¹
Input voltage range	10 Vp-p (DC + AC peak should be within ±10 V) ^1,²
Nondestructive input voltage range	±40 V (DC + AC peak) ³
Input resistance	About 2.5 Mohm
Input capacity	About 1.8 pF
Total cable length	1.5 m (probe cable) 1 m (power supply cable)
Weight	About 180 g
Ambient operating temperature	5 to 40 °C
Ambient operating humidity	20 to 80% RH (no condensation)
Ambient storage temperaturev	-20 to 60 °C
Ambient storage humidityv	20 to 80% RH (no condensation)
Power supply voltage	±12 V ±1 V (Usable range: 11 to 13 V or -11 to -13 V)
Power supply current	Current of the power supply terminal is less than 125 mA ²
EMC	Emission Complying standard: EN61326 Class A Immunity Complying standard: EN61326 Susceptibility under immunity condition Noise increase < ±200 mV ⁴

1: Reference operation conditions: Ambient temperature 23±5°C; Ambient humidity 55±10%; 30 minutes after the power supply is applied.
2: When power supply voltage is ±12 V.
3: For the relation between frequency bandwidth and input voltage derating see the graph on the right.
4: Testing condition:
Set 20 MHz for the frequency width and 50 ohm for the input coupling of the Oscilloscope.
Terminate the probe tip with 50ohm. Attach a ferrite core (TDK: ZCAT2035-0930A, YOKOGAWA parts number: A1190MN) on each end of the cable.